Support for Transactions
As a corollary to the need for an integration framework, the portal must provide support for transactions. This means the infrastructure allows online commerce, electronic payments, and other transactions.
The difference between the portal approach and standalone applications is that the portal provides common transactional functionality that can be shared across all applications, thereby reducing development time, testing, and support. For instance, there is no point in developing a web-based catalog and payment system for an association's bookstore and then building another, separate system for conference fees and a third system for membership dues.
Commerce Server is the element of the Microsoft .NET portal platform ...
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